patch to fix grouped_targets test 1

[Dmitry Goncharov]

Good morning.

echo -n is not portable.
Certain implementations of echo everything, including -n.
This makes test 1 of grouped_targets fail.

regards, Dmitry

diff --git a/tests/scripts/features/grouped_targets
b/tests/scripts/features/grouped_targets
index ef9366b..4d2c9d2 100644
--- a/tests/scripts/features/grouped_targets
+++ b/tests/scripts/features/grouped_targets
@@ -9,9 +9,9 @@ $details = "Here we test for requirements like\n"
 run_make_test(q{
 .PHONY: all
 &:;
-all: ;@echo -n
+all: ;@echo foo
 },
-'', "");
+'', "foo");

 # Parsing: &: works not preceded by whitespace.
 run_make_test(q{